阅读:指出下列程序的功能及运行结果。
10 DIM D(14) 20 FOR K=0 TO 14 30 READ D(K) 40 NEXT K 50 A=D(0) :B=D(0) 60 FOR K=0 TO 14 70 IF D(K)<=A AND D(K)> =B THEN 90 80 IF D(K)>A THEN A=D(K) ELSE B=D(K) 90 NEXT K 100 PRINT ”A=”;A,B=”;B” 110 DATA 45,61,33,55,20,50,36,42,27,69,58,34,23,48,66 120 END